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Answer the following. Write name and formula of raw material from which bakelite is made. - Chemistry

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प्रश्न

Answer the following.

Write name and formula of raw material from which bakelite is made.

टीपा लिहा
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उत्तर

Bakelite is made by condensation of two different monomers:

a. Phenol:

b. Formaldehyde: CH2O

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पाठ 15: Introduction to Polymer Chemistry - Exercises [पृष्ठ ३३८]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 15 Introduction to Polymer Chemistry
Exercises | Q 3. xii. | पृष्ठ ३३८

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

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\[\begin{array}{cc}\ce{- C - O -}\\||\phantom{.....}\\
\ce{O\phantom{.....}}\end{array}\]


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\[\begin{array}{cc}
\ce{(-CF2-CF2-), -[NH-(CH2)5-CO] -, -(CH2-CH-), (-CH2-CH2-)}\\
\phantom{............................}|\\
\phantom{..............................}\ce{CN}
\end{array}\]


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\[\begin{array}{cc}
\ce{[-C-CH2-NH-C-(-CH2)5 NH -]_{{n}}}\\
\phantom{}||\phantom{.............}||\phantom{................}\\
\phantom{}\ce{O}\phantom{.............}\ce{O}\phantom{................}
\end{array}\]


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(iii) Neoprene

(iv) Novolac


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Column I Column II
(i) Acrilan

(a) \[\begin{array}{cc}
\ce{-(CH2 - CH)\underset{n}{-}}\\
\phantom{....}|\\
\phantom{.......}\ce{C6H5}
\end{array}\]

(ii) Polystyrene (b) \[\begin{array}{cc}
\ce{Cl}\phantom{.......}\\
|\phantom{........}\\
\phantom{}\ce{-(CH2 - C = CH - CH2)\underset{n}{-}}
\end{array}\]
(iii) Neoprene (c) \[\begin{array}{cc}
\phantom{................................}\ce{CN}\\
\phantom{..............................}|\\
\ce{-(CH2 - CH = CH - CH2 - CH2 - CH)\underset{n}{-}}
\end{array}\]
(iv) Novolac (d) \[\begin{array}{cc}
\ce{-(CH2 - CH)\underset{n}{-}}\\
\phantom{.....}|\\
\phantom{.......}\ce{CN}
\end{array}\]
(v) Buna—N (e) 
  (f)  \[\begin{array}{cc}
\ce{-(CH2 - CH)\underset{n}{-}}\\
\phantom{.....}|\\
\phantom{......}\ce{Cl}
\end{array}\]

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Polymer Monomer
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